Water-Quality Assessment of Part of the Upper Mississippi River Basin, Minnesota and Wisconsin- Nitrogen and Phosphorus in Streams, Streambed Sediment, and Ground Water, 1971-94
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Date Issued
1997
U.S. Geological Survey
Water-Quality Assessment of Part of the Upper Mississippi River Basin, Minnesota and Wisconsin Ground-Water Quality in an Urban Part of the Twin Cities Metropolitan Area, Minnesota, 1996
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Date Issued
1998
